{"product_id":"kb-performance-piston-performance-883-1200-big-bore-piston-kit-40","title":"KB Performance Piston Performance 883-1200 big bore piston kit - +.040\"","description":"\u003cp\u003eStandard compression. 883-1200 conversion piston set. Compatible with stock unmodified cylinder heads. 9:1 stock compression ratio. Pistons are flat top, .125\" below deck height, to achieve a 9:1 CR with a compression height of 1.090\". \r\nPiston weight 310gr. Piston pin diameter .792\" and weight 97gr. \r\nHead type: Flat top \/ Dome +0.5cc. \r\nCompression height 1.090\". \r\nBore 3.498\" \/ Stroke 3.812\". \r\nRod length 6.926\" \/ Cyl. length 4.650\". \r\nComes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. \r\n\r\nNote: Top compression ring will need additional clearance. See instructions. \r\nNote: 1200cc cylinders must be purchased for 04-up 883 XL models. Stock cylinders liners of 04-up XL models are too thin to bore to 1200 size.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Pistons and rings kits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e KB410040\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":63352028135754,"sku":"MSH-944755","price":2509.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/944750k_f63141c2-27b9-427a-ad3e-d2f56ba03c0b.jpg?v=1787786178","url":"https:\/\/partsdenmark.dk\/products\/kb-performance-piston-performance-883-1200-big-bore-piston-kit-40","provider":"Parts Denmark","version":"1.0","type":"link"}